Theropod footprint in Brazil (IMAGE) Southern Methodist University Caption Theropod footprint from Sousa Basin, Lower Cretaceous of Northeastern Brazil. Credit Ismar de Souza Carvalho Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.